Miller Compony's contribution format income statement for the most recent month is shown below: Required: (Consider each case independently): 1. What is the revised net operating income if unit soles increase by 15 ? 2. What is the revised net operating income if the selling price decreases by 51.10 per unit and the number of units sold increases by 21%? 3. What is the revised net operating income if the selling price increases by $1.10 per unit, fixed expenses increase by $7,000, and the number of units sold decreases by 7% ? 4. What is the revsed net operating income If the selling price per unit increases by 10%, variable expenses increase by 30 cents per unt. and the number of units sold decreases by 10